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package com.zjdt.epserver.servlet.driver;

import com.zjdt.epserver.db.service4mysql.DriverServiceImpl;
import com.zjdt.epserver.model.MyConstant;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Map;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.mobile.util.MobileUserList;
import org.dusin.util.DateUtil;
import org.dusin.web.util.CommonWebUtil;
import org.dusin.web.util.JsonUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 *
 * @author dusin
 */
@WebServlet(name = "DriverLogin", urlPatterns = {"/servlet/driver/Login"})
public class Login extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
            DriverServiceImpl driverService = (DriverServiceImpl) context.getBean("driverService");

            String username = request.getParameter("username");
            username = new String(username.getBytes("ISO-8859-1"), "UTF-8");
            String password = request.getParameter("password");
            String remoteAddr = request.getRemoteAddr();
            Map<String, Object> user = driverService.login(username, password);
            Map<String, Object> loggedUser = null;           //已登录用户，已存在与用户列表中
            
            if (null != user) {
                int status = (Integer) user.get("status");
                if (status == MyConstant.NORMAL) {
                    String ip = request.getRemoteAddr();
                    int port = request.getRemotePort();
                    ServletContext sc = this.getServletContext();
                    MobileUserList musers = (MobileUserList) sc.getAttribute("drivers");
                    loggedUser = musers.getUserByUsername(username);
                    if (loggedUser == null) {
                        loggedUser = user;
                        musers.add(loggedUser);
                    } else {
                        loggedUser.putAll(user);
                    }
                    musers.updateTime(username);
                    String loginTime = DateUtil.get(new Date(), "yyyyMMddHHmmss");
                    String logid = username + loginTime;
                    loggedUser.put("logid", logid);   //此次登录的logid，退出时更新                
                    loggedUser.remove("password");
                    loggedUser.put("logid", logid);   //此次登录的logid，退出时更新
                    loggedUser.put("success", true);
                    out.println(JsonUtil.toJsonText(loggedUser));
                } else if (status == MyConstant.TOBECHECKED) {
                    String msg = "账号尚未通过审核";
                    user.put("msg", msg);
                    user.put("success", false);
                    out.print(JsonUtil.toJsonText(user));
                } else if (status == MyConstant.LOCKED) {
                    String msg = "账号已被锁定";
                    user.put("msg", msg);
                    user.put("success", false);
                    out.print(JsonUtil.toJsonText(user));
                } else if (status == MyConstant.INVALID) {
                    String msg = "信息不完善";
                    user.put("msg", msg);
                    user.put("success", false);
                    out.print(JsonUtil.toJsonText(user));
                }
            } else {
                String msg = "用户名或者密码不正确";
                String jsonText = JsonUtil.createFailureJsonResponse(msg);
                out.print(jsonText);
            }
            out.flush();
        } catch (Exception e) {
            e.printStackTrace();
            String jsonText = JsonUtil.createFailureJsonResponse("操作失败");
            out.print(jsonText);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
